package com.java2.lang;


public class SystemD extends ClassLoader {
	
	static byte a[] = { 65, 66, 67, 68, 69, 70, 71, 72, 73, 74 };
	static byte b[] = { 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 };
	public static void main(String args[]) {
		
	System.out.println("a = " + new String(a));
	System.out.println("b = " + new String(b));
	System.arraycopy(a, 0, b, 0, a.length);
	System.out.println("a = " + new String(a));
	System.out.println("b = " + new String(b));
	System.out.println(System.getProperty("user.dir"));
	System.out.println(Math.rint(10.6));
	System.out.println(Math.round(10.6));
	
	}
	
}
